Finding the Fourth Proportional to 100,426.11, 150,638.99 and 41,220.07
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Solution
The fourth proportional to 100,426.11, 150,638.99 and 41,220.07 is: 61,830.03
Step by Step Solution
- Step 1: Write the proportion equation
100,426.11 : 150,638.99 = 41,220.07 : x - Step 2: Convert to fraction form
100,426.11/150,638.99 = 41,220.07/x - Step 3: Cross multiply
100,426.11x = 150,638.99 × 41,220.07 - Step 4: Simplify right side
100,426.11x = 6,209,349,712.53 - Step 5: Solve for x
x = 6,209,349,712.53/100,426.11 - Step 6: Final answer
x = 61,830.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.